:root {
  --bg: #fbfbf8;
  --line: #d9d8cf;
  --ink: #171717;
  --muted: #55554f;
  --accent: #0d4f78;
  --code-bg: #f1f0e8;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.45;
  padding: 0 1.25rem 3rem;
  font-size: 16px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code,
pre {
  font-family: "SFMono-Regular", "Menlo", "Monaco", "Liberation Mono", monospace;
}

code {
  background: transparent;
  padding: 0;
  border-radius: 0;
}

pre {
  overflow-x: auto;
  padding: 1rem 1.05rem;
  background: var(--code-bg);
  margin: 0;
  font-size: 0.94rem;
  max-width: 100%;
  border: 1px solid var(--line);
}

.wrap {
  width: min(1040px, 100%);
  margin: 0 auto;
}

.site-header {
  margin: 1rem auto 0;
  border-bottom: 2px solid var(--line);
}

.header-bar {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  column-gap: 1rem;
  padding: 0 0 0.8rem;
}

.brand {
  display: inline-block;
  width: 48px;
  height: 48px;
}

.brand img {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.header-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.header-title h1 {
  margin: 0;
  padding: 0;
  font-size: 1.3rem;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.header-title h1 a {
  color: var(--ink);
  text-decoration: none;
}

.main-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 600;
}

.page-shell {
  padding: 1.1rem 0 0;
  max-width: none;
}

.hero,
.section-head {
  margin-bottom: 1.5rem;
}

.hero h1,
.hero h2,
.section-head h1 {
  font-size: clamp(2.4rem, 5.8vw, 4rem);
  line-height: 0.96;
  margin: 0 0 0.85rem;
  max-width: 10.5ch;
  letter-spacing: -0.05em;
}

.lede,
.section-copy,
.doc-body {
  max-width: 68ch;
}

.lede {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.4;
  max-width: 42rem;
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
}

.group h3,
.doc-body h2,
.doc-body h3,
.doc-body h4 {
  margin-top: 0;
}

.doc-body h3 {
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.25rem;
}

.hero-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.15rem 0 0;
  padding: 0;
}

.hero-tags li {
  padding: 0.32rem 0.6rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  column-gap: 2rem;
  row-gap: 0.4rem;
  align-items: end;
  padding: 0.5rem 0 1.45rem;
  border-bottom: 1px solid var(--line);
}

.hero-main .eyebrow {
  grid-column: 1 / 2;
}

.hero-main h2 {
  grid-column: 1 / 2;
  margin-bottom: 0.35rem;
}

.hero-main .lede {
  grid-column: 2 / 3;
  grid-row: 1 / 3;
  align-self: end;
  margin: 0;
  max-width: 34rem;
}

.home-example {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.4rem;
  margin-top: 1.35rem;
  align-items: start;
}

.home-example h3,
.home-intro h3,
.start-card h3,
.home-panels h3 {
  margin: 0 0 0.7rem;
  font-size: 1.1rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.report-inline h4 {
  margin: 0 0 0.7rem;
  font-size: 1rem;
  line-height: 1.15;
}

.card-copy,
.home-intro p,
.home-panels p {
  color: var(--muted);
}

.example-card,
.report-inline,
.prose-card,
.start-card,
.mini-panel {
  padding-top: 0.7rem;
  border-top: 2px solid var(--line);
}

.example-card,
.report-inline {
  min-height: 100%;
}

.card-copy {
  margin: 0.75rem 0 0;
}

.home-intro {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: 1fr 1fr;
  margin-top: 1.55rem;
}

.prose-card p {
  max-width: 34ch;
}

.start-card {
  margin-top: 1.55rem;
}

.start-card .index-list {
  max-width: 46rem;
}

.home-panels {
  display: grid;
  gap: 1.6rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.55rem;
  align-items: start;
  padding-top: 0.2rem;
}

.home-panels article p {
  min-height: 4.2rem;
  max-width: 28ch;
  margin: 0 0 1rem;
}

.mini-panel {
  display: flex;
  flex-direction: column;
}

.mini-panel .index-list {
  margin-top: auto;
}

.index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.index-list li {
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
}

.index-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.index-list span {
  display: block;
  color: var(--muted);
  margin-left: 0;
  margin-top: 0.18rem;
  line-height: 1.35;
}

.compact-index li {
  padding: 0.4rem 0;
}

.index-list a {
  font-weight: 600;
}

.start-card h3,
.mini-panel h3 {
  position: relative;
}

.start-card h3::after,
.mini-panel h3::after {
  content: "";
  display: block;
  width: 2rem;
  margin-top: 0.45rem;
  border-bottom: 1px solid var(--line);
}

.doc-page {
  max-width: 68ch;
}

.doc-page .section-head {
  margin-bottom: 0.45rem;
}

.doc-page .section-head h1 {
  font-size: 1.06rem;
}

.doc-body p,
.doc-body li {
  line-height: 1.28;
}

.doc-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.25rem;
  font-size: 0.96rem;
}

.doc-body th,
.doc-body td {
  border: 1px solid var(--line);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

@media (max-width: 820px) {
  body {
    padding: 0 0.9rem 2rem;
  }

  .wrap {
    width: 100%;
  }

  .page-shell {
    padding: 1rem 0 0;
  }

  .home-example,
  .home-intro {
    grid-template-columns: 1fr;
  }

  .home-panels {
    grid-template-columns: 1fr;
  }

  .header-bar {
    grid-template-columns: 1fr;
  }

  .header-main {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-main {
    grid-template-columns: 1fr;
    row-gap: 0.55rem;
  }

  .hero-main .eyebrow,
  .hero-main h2,
  .hero-main .lede {
    grid-column: 1 / 2;
    grid-row: auto;
  }

  .hero h1,
  .hero h2 {
    font-size: 2.15rem;
    max-width: none;
  }

  .brand {
    width: 42px;
    height: 42px;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141515;
    --line: #2b2b2b;
    --ink: #e7e4da;
    --muted: #aeaa9d;
    --accent: #8dc9ef;
    --code-bg: #1d1f20;
  }

  .report-inline pre {
    background: #1a1d20;
  }
}